MC-DC2 Remote Switch Shutter Release Cord For NIKON D90 D7500 D5100 D3100 Camera
D7500 D7200 D7100 D7000. D5600 D5500 D5300 D5200 D5100 D5000. D3300 D3200 D3100. D750 D610 D600 D90 Df. And, a shutter release button lock is available which for long exposures shooting and continuous shooting helpfully.